code: def is_stateful_seed(seed):
      return seed is None or isinstance(seed, six.integer_types)
  
file_path: probability/tensorflow_probability/python/internal/samplers.py
imports: import hashlib
  import warnings
  import numpy
  import six
  import tensorflow.compat.v2
  from tensorflow_probability.python.internal import prefer_static
label_desc: Use image node_id 2 for calling a global function with example usage: is_stateful_seed(seed) and returns: unknown